They have a few 'semi' workers - people that are either helping for free or are being paid, but not on the team. Markko For example (composer for the music).
I know in overture there were a few people who helped for free.

Please -REP me.
Honestly, please do. I want to see how low I can go!!
Ignore that error message too. Just ignore it and keep going to give me -rep.